Oil-can.



PATENTED MAR. 22, 1904.

J. WILKINSON.

' OIL CAN.

APPLICATION 1 1mm JULY 6. 1903.

no HOMDBL.

. fnz/ antar: 8 M'Z/Zm son.

'7 Witnesses,

m: (Imus vsrzns co.. Px-qovouwu, WASNINGTON, n c.

UNITED STATES Patented March Q2, 1904 PATENT OFFICE.

OIL-CAN.

SPECIFICATION forming part of Letters Patent No. 755,338, dated March22, 1904.

Application filed July 6, 1903. Serial 110,164,369. we model 1) To a,whom it may concern:

Be it known that I, JAMES WILKINSON, a citizen of the United States,residing at Philadelphia, county of Philadelphia, and State ofPennsylvania, have invented a certain new and useful Improvement inOil-Cans, of which the following is a specification.

My invention relates to a new and useful improvement in oil-cans, andhas for its object to provide an oil-can in which the oil may be ejectedtherefrom by a plunger being pressed downward in the top ofthe caninstead of pressing'in'ward upon the bottom of the can, as usual.

With these ends in view this invention consists in the details ofconstruction and combination of elements hereinafter set forth and thenspecifically designated by the claims.

In order that those skilled in the art to which this inventionappertains may understand how to make and use the same, the constructionand operation will now be described in detail, referring to theaccompanying drawings, forming a part of this specification, in whichFigure'l is a side elevation of my improved oil-can, a portion of thesame being broken away to show the spring-plunger, said plunger beingin'its raised -or normal position; Fig. 2, a similar view to Fig. 1,showing the plunger depressed. Y

The usual practice of ejecting oil from oilcans is to make the bottom ofthe oil-can flexible and bulged out slightly, so that the bottom may bepressed inward and force the oil out of the can by the air-pressure thusgenerated; but it is a well-known fact that it is necessary to constructthe bottom of said can of thin material, so as to make the sameflexible, and these bottoms wear through very quickly and leak in ashort time.

The purpose of my invention is to provide other means for creatingair-pressure upon the interior of the oil-can for ejecting the oil andallow for the'bottom as well as the body of the can to be made of thickmaterial.

A represents the oil can, which has thespout B extending from the upperportion thereof.

C is an internally-threaded boss extending upward from the top ofthecan, and into this boss is'adapted to be threaded a cylinder D, which isprovided upon the outside with a flange or nut E, adapted to come incontact with the upper surface of the boss C, and packing can beinterposed between the nut and boss, if desired. The cylinder D is openat both ends; but the lower end of the cylinder is provided with aninwardly-extending horizontal annular flange D.

F is a plunger or piston adapted to fit within the cylinder D. A rod Gextends down ward from the piston F and is provided upon its lower endwith a valve H, adapted to seat against the under surface of thecylinder D. A spring I is interposed between the lower end of theplunger F and the annular flange D, and this spring tends to normallyhold the plunger F upward and the flange against its seat. The plungerwill prevent the oil from flowing into the cylinder if the can should beupset or turned upsidedown.

When it is desired to use the can and eject oil from the spout B, thecan is inverted, as is usual in using cans of this description, and aslight pressure downward upon the plunger F will remove the valve H fromits seat, and the plunger F in descending will compress the air in thecan, and this air-pressure will eject the oil through the spout B. Infilling the can the cylinderD is removed and the oil poured through theopening of the boss C.

Of course I do not wish to be limited to the exact construction hereshown, as slight modifications could be made. without departing fromthe. spirit of my invention.

Having thus fully described my invention, what I claim as new and usefulis a 1. In an oil-can, a reservoir, a spout extending from saidreservoir, acylinder removably secured to the reservoir andcommunicating with the interior thereof, a'piston adapted to operatewithin the cylinder, a spring for normally holding the piston outward, avalve adapted to normally close the opening between the reservoir andthe cylinder, said valve being connected to the piston so as to beremoved from its seat whenthe piston is pressed inward, as and for thepurpose specified.

2. In an oil-can, a reservoir, a spout extending from said reservoir, aremovable cylinder connected with the reservoir, said cylindercommunicating with the interior of the reservoir, a piston fitted toslide within the cylinder and extending normally from the outer endthereof, a spring interposed between the inner end of the cylinder andthe piston, a valve adapted to normally close the opening between thecylinder and the reservoir, said valve connected to the piston andadapted to be removed from its seat when the piston is grassed inward,as and for the purpose speci- 3. In an oil-can, a reservoir, a spoutextending from said reservoir, an internally-threaded boss extendingoutward from said reservoir, a cylinder adapted tobe threaded withinsaid boss, an opening through the inner end of the cylinder andcommunicating with the reservoir, an annular flange surrounding saidopening, a piston fitted to slide within said cylinder and normallyextending from the outer end thereof, a spring interposed between theannular flange and the inner end of the piston, a valve adapted tonormally seat against the inner end of the cylinder, a rod connectingsaid valve with the piston, as specified.

In testimony whereof I have hereunto affixed my signature in thepresence of two subscribing witnesses.

JAMES WILKINSON.

Witnesses:

JAMES A. BENNETT, A. STARKENMAN.

